Operating meckanism for wood-screw machines



l... SMITH PERATING MECHANISM FOR WOOD SCREW MACHINES Filed Jan. 5, 1922 and 'am seem,

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movem lament* fear segu inn 1n v new and Meek meej; eem sueees and nefmhes in xe eem. ese-h we of the cem sufeees sie :the seme heigh. se' that there Wil be @we suceeeding ees e? the tee, in which she @es she seme depth, elle incease in depth gaming eny eiser im@ eues ef she seme effe se eemxeee @het they ed depth :3eme in synew .irs-.ism ef ehe bleek ee'rzyng spnde, *ehe seeth m tte eeege gear 27 end pseze ES me e prepefened eetvely to the teem "he gee-fs with which they mesh that he spindle makes e heli turn exiir?, fer each 'ee e' fthe euzng wel. lfm other each out of ehe too the ie ume ene-heli of e. revolution e. of he imerve et Whiewthe tool is 'mme-?. 'Eef euging. .s e esult of this meh eus is eemmeneed ene-naf ef e, tum of the beer. behind me peeedng cut se that when two *threads efe cui; they Wil begin the diesem-fe imm the peine of the. but im dameereey opposite sides. fs is eeeemp'sxed. in Skis machine by the eetree popessoxnp; ef the number of teeth in Cheng@ gees 9;? :md pinon QS to the if "a: W. which they mesh. The nven'see ceme. is eperesilegf mechanism fox a Wood sez-tese maehse eempxsng a spindle, means 'Fey meeting he spne. e. shaft, Ineens for the shaft engiuiney, means for .eg she en its axis, mi ntegems beween the spindle en@ he miel having sueh 'ieo @est the spindle i s eneihe'f 0 e revolution more than e *'u :number @if eveutiens wh feaon ie the recpees-ens and eseila-tons of the shaft, whereby e teol carried by the shaft Wi sm.. cutting e. blank carried by the seude eltemeey en dsmetreay Opposite sifes. y

T.. All @persi-ing mechanism for n. Weed seew machine eonjxprsng a spn'de, means 'e met'ng be spindle, e retetoxy :m6, reep'eeeior shaft. a. Can for feeding the ft engudunly. s @am and connections esciletieg the shaft axially., and ntermesugj gears eewpese beween the spin Les@ .eiploeeing and oscillating means,

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feend se. eems. seid gems having sedi. reti@ that he spindle iiurns one-half ef e revoution mese hen e ,'Eu number of sevelutons with relation 0 'he eepreeeens and osestons of the she.

3. An operating mee'ansm ez' e. 'Weed screw machine eemprsreg e oeey bsni spnde, means fer messing; the spindle, e rotaey end eepoewery tee eee shes, e eem fes? feeding tie Sheff.; engtudney, :m nemeshine gees beweele she Spindle end'eam, said gears hex/ine; such ree met the spnde turns ene-belief e reveluen more than e ful numbe of feve'usiens with 'felation 'ie the sevoues die 5. A13. operating mechanism @reed screw machineA comprising e retetem Marek otetol'y and reeipeeesery ted. :eef shet, n cem for feeding he she'i engudnely, ami inermeshng reen; ineufflng der and change gears n'eposed between the spnde amd the eem. ss. Change me ing such a number e? 'eeh "heg me epmfle turns e number of 'u evouons :m e fraction of e. reveuion more one wevolu tion of the eem.

6. An opers'np; meehensm fer e, woef?. screw machine comprising e egstey Meek spnde, means im* soi-ating he spnde, e. we teoly m reepreceey iee feed shaft. e. Cam for fe'elg the she/ft ongtunaiy, and ntermeshng fears incudngg an' ider and a change gear and 'pnoe he ving' such re.-

` Io to each other and 150 "die gears wish, whi'rh hey mesh ihm the spindle turns s number of'compete revouens and eheheh mete te' each eompete fevoute'e of she eem.

7.. An opersng mechanism for e. Wood screw machine eompsng e xetutey Neuk spindle, means for rotag the spinde, e, retstm'y and fecpeeatery tool feed shaft, e cam for feeding the shaft ongtudinely. e. swinging profile cam for osclaing fhe shaft axay, e eut cam foi swinging the poe cam. imei nermeshng gears between the spuce en@ fue 'ee end est cams for driving them synchronously. seid gears beving such ruhe that che spnde tums 1mmber 0'? full revolutions and e frecson more for each ambien of seid cams.

L. SMTH, 

